Dark Reader
Dunkles Design für jede Website. Schonen Sie Ihre Augen und verwenden Sie Dark Reader für die Nacht und das tägliche Surfen.
1.157.867 Benutzer
Ghostery – datenschutzorientierter Werbeblocker
Ghostery ist eine leistungsstarke Datenschutz-Erweiterung.Damit können Sie Werbung blockieren, Tracker stoppen und Websites beschleunigen.
1.030.406 Benutzer
FoxyProxy Standard
FoxyProxy ist ein hochentwickeltes Proxy-Management-Werkzeug, das die begrenzten Proxy-Fähigkeiten von Firefox vollständig ersetzt. Es bietet reichhaltigere Funktionalität als SwitchProxy, ProxyButton, QuickProxy, ProxyTex, TorButton etc.
203.020 Benutzer
Disconnect
Make the web faster, more private, and more secure.
94.948 Benutzer
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
93.324 Benutzer
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
88.313 Benutzer
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
76.898 Benutzer
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
62.274 Benutzer
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
26.385 Benutzer
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
18.635 Benutzer
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
673.757 Benutzer
React Developer Tools
React Developer Tools is a tool that allows you to inspect a React tree, including the component hierarchy, props, state, and more. To get started, just open the Firefox devtools and switch to the "⚛️ Components" or "⚛️ Profiler" tab.
184.892 Benutzer
Vollständige Webseite Screenshots (♥♥♥♥♥)
FireShot makes full web page screenshots. Demo: http://bit.ly/RlBQMV Screenshots can be quickly captured and: ― Saved as Image or PDF ― Sent to clipboard ― Printed ― Annotated * ― Uploaded * ― E-Mailed * * OS Windows only
160.579 Benutzer
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
146.486 Benutzer
Wappalyzer
Identify technologies on websites
119.515 Benutzer
Web Developer
The Web Developer extension adds various web developer tools to the browser.
89.005 Benutzer
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
86.657 Benutzer
Vue.js devtools
DevTools extension for debugging Vue.js applications.
84.468 Benutzer
Violentmonkey
Userscript support for browsers, open source.
82.234 Benutzer
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
62.489 Benutzer
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
61.923 Benutzer
User-Agent Switcher
Easily override the browser's User-Agent string
61.228 Benutzer